Maternal-infant Health Information Needs among Pregnant and Postpartum Women:a Correspondence Analysis of the Target Group Index Data 
CHENG Xiaoyun,ZHANG Zhili,PEI Suyun,YUE Zheyu,GUO Xiaoqin,WANG Qian,ZHANG Juan,HU Xianming
Chinese General Practice . 2020, (10): 1305 -1310 .  DOI: 10.12114/j.issn.1007-9572.2019.00.786